Boreal Silex Lace
Boreal

The Silex Lace is a firm, flat-lasted lace shoe from Boreal for sport climbing. Boreal lists it as wide-width with a medium heel. In stock at 5 shops from 66.70 EUR.
The lace-up version of Boreal's Silex, a comfortable mid-grade routes shoe. A flat, symmetric last, full-length midsole and durable Zenith Quattro rubber give support and precision for climbers building skills on slabs and vertical terrain. Lacing adds an even, adjustable fit over the velcro Silex.
Best For
Best for sport climbing on slab and vertical terrain. Aimed at beginner to hobby climbers.
Among the 469 adult climbing shoes we track, the Silex Lace ranks in the top 3% for comfort, the top 7% for support and the top 14% for crack climbing.
Strengths & Trade-offs
Silex Lace strengths
- Flat, supportive platform for slabs, vertical climbing and all-day comfort
- Lace closure dials in an even fit
- Durable Zenith Quattro rubber and full-length midsole
- Roomy, comfortable last for mid-grade and improving climbers
Silex Lace trade-offs
- Flat, symmetric shape gives up power on steep terrain
- Not a performance shoe for hard sport or bouldering
- On the heavier side at 590g per pair
How the Silex Lace fits
Comfortable mid-grade fit; leather upper. The velcro version is the Silex.
Fit profile: wide width, standard forefoot volume, medium heel, suits egyptian toe shapes.
No stretch expected; minimal break-in.
How it fit climbers with your foot shape: fit reports from feet like yours.
Stiffness
Measured stiffness: 0.63 on our 0-1 scale (0 = softest). Among flat shoes it sits between the La Sportiva Tarantula (0.59, softer) and the Scarpa Velocity (0.65, stiffer).
Silex Lace specifications
| Brand | Boreal |
| Model | Silex Lace |
| Closure | Lace |
| Downturn | Flat |
| Asymmetry | None |
| Toe Patch | None |
| Heel Rubber | Partial |
| Ankle Protection | None |
| Midsole | Full |
| Midsole Stiffness | Medium hard |
| Rand | Relaxed |
| Upper Material | Leather |
| Weight (pair) | 590 g (20.8 oz) |
| Break-in | Minimal |
| Rubber | Zenith Quattro |
| Rubber Thickness | 4.5mm |
| Rubber Hardness | Medium |
| Durability | High |
| Vegan | No |
| Resoleable | Yes |
| Kids | No |
What the Silex Lace costs
Prices checked 15 Oct 2026 across 5 shops that currently stock it (66.70 to 124.21 EUR). Cheapest current offer: 66.70 EUR at bergzeit.de, 44% below the 119.95 EUR list price.
| Retailer | Price |
|---|---|
| bergzeit.de | 66.70 EUR |
| barrabes.com | 84.00 EUR |
| basislager.de | 119.95 EUR |
| bouldercity-shop.com | 119.95 EUR |
| 9cclimbing.com | 124.21 EUR |
Prices by size
Cheapest in-stock price per EU size and how many shops list that size, from the EU pool. Updated daily.
| EU size | From | Shops |
|---|---|---|
| 35.5 | 124.21 EUR | 1 |
| 36 | 124.21 EUR | 1 |
| 37 | 124.21 EUR | 1 |
| 37.5 | 124.21 EUR | 1 |
| 38 | 66.70 EUR | 2 |
| 38.5 | 66.70 EUR | 1 |
| 39 | 124.21 EUR | 1 |
| 39.5 | 66.70 EUR | 2 |
| 40 | 66.70 EUR | 2 |
| 40.5 | 84.00 EUR | 2 |
| 41 | 84.00 EUR | 2 |
| 41.5 | 124.21 EUR | 1 |
| 42 | 119.95 EUR | 2 |
| 42.5 | 119.95 EUR | 3 |
| 43 | 119.95 EUR | 1 |
| 44 | 84.00 EUR | 4 |
| 44.5 | 84.00 EUR | 4 |
| 45 | 84.00 EUR | 1 |
| 46 | 84.00 EUR | 3 |
| 46.5 | 84.00 EUR | 3 |
| 47 | 119.95 EUR | 1 |
Similar Climbing Shoes
- La Sportiva Tarantulace
- Scarpa Reflex VS
- La Sportiva Mythos
- Boreal Silex
- Butora Advance
- La Sportiva Finale Women's
Prices, stock and owner fit data on this page update daily. You are welcome to cite these figures if you name climbing-gear.com and link to this page - see our data terms.